git-apply: what is detected and fixed is not just trailing spaces.

But we kept saying "trailing whitespace" all the same.  Reword the
error messages a bit.

Signed-off-by: Junio C Hamano <junkio@cox.net>

builtin-apply.c

@@ -55,7 +55,7 @@ static enum whitespace_eol {
 } new_whitespace = warn_on_whitespace;
 static int whitespace_error;
 static int squelch_whitespace_errors = 5;
-static int applied_after_stripping;
+static int applied_after_fixing_ws;
 static const char *patch_input_file;
 
 static void parse_whitespace_option(const char *option)
@@ -1657,7 +1657,7 @@ static int apply_line(char *output, const char *patch, int plen)
 	if (add_nl_to_tail)
 		output[plen++] = '\n';
 	if (fixed)
-		applied_after_stripping++;
+		applied_after_fixing_ws++;
 	return output + plen - buf;
 }
 
@@ -2884,18 +2884,17 @@ int cmd_apply(int argc, const char **argv, const char *unused_prefix)
 				squelched == 1 ? "" : "s");
 		}
 		if (new_whitespace == error_on_whitespace)
-			die("%d line%s add%s trailing whitespaces.",
+			die("%d line%s add%s whitespace errors.",
 			    whitespace_error,
 			    whitespace_error == 1 ? "" : "s",
 			    whitespace_error == 1 ? "s" : "");
-		if (applied_after_stripping)
+		if (applied_after_fixing_ws)
 			fprintf(stderr, "warning: %d line%s applied after"
-				" stripping trailing whitespaces.\n",
-				applied_after_stripping,
-				applied_after_stripping == 1 ? "" : "s");
+				" fixing whitespace errors.\n",
+				applied_after_fixing_ws,
+				applied_after_fixing_ws == 1 ? "" : "s");
 		else if (whitespace_error)
-			fprintf(stderr, "warning: %d line%s add%s trailing"
-				" whitespaces.\n",
+			fprintf(stderr, "warning: %d line%s add%s whitespace errors.\n",
 				whitespace_error,
 				whitespace_error == 1 ? "" : "s",
 				whitespace_error == 1 ? "s" : "");